EP 0307037 B1 19920610 - LOW-PRESSURE MERCURY VAPOUR DISCHARGE LAMP
Title (en)
LOW-PRESSURE MERCURY VAPOUR DISCHARGE LAMP
Publication
Application
Priority
NL 8702123 A 19870908
Abstract (en)
[origin: EP0307037A1] Low-pressure mercury vapour discharge lamp having a discharge vessel sealed in a gas-tight manner in which a discharge is present during operation of the lamp and which contains a small quantity of an alloy comprising indium, tin and zinc forming an amalgam with mercury, the ratio between the atoms of indium and the atoms of tin in the amalgam-forming alloy being between 3:1 and 8:1, the ratio between the sum of the atoms of indium and tin and the atoms of zinc being between 95:5 and 99:1 and the ratio between the sum of the atoms of indium, tin and zinc and the atoms of mercury being between 95:5 and 99:1.
IPC 1-7
IPC 8 full level
H01J 61/28 (2006.01); H01J 65/04 (2006.01)
CPC (source: EP US)
H01J 61/28 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0307037 A1 19890315; EP 0307037 B1 19920610; CN 1019248 B 19921125; CN 1031908 A 19890322; DE 3871883 D1 19920716; DE 3871883 T2 19930114; JP 2726443 B2 19980311; JP S6472452 A 19890317; NL 8702123 A 19890403; US 4924142 A 19900508
DOCDB simple family (application)
EP 88201862 A 19880831; CN 88106578 A 19880905; DE 3871883 T 19880831; JP 22056288 A 19880905; NL 8702123 A 19870908; US 23982388 A 19880902